/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package edu.ccut.titan.component.impl;

import edu.ccut.titan.component.IParameter;

/**
 * {@link IParameter} implementation
 * 
 * @see IParameter
 * @author LeslieGu
 */
public class TitanParameter implements IParameter {

	private Object value;

	private Class<?> classType;

	public TitanParameter(Object value, Class<?> classType) {
		this.value = value;
		this.classType = classType;
	}

	public Object getValue() {
		return value;
	}

	public void setValue(Object value) {
		if (this.classType != null && this.value != null
				&& !this.classType.isInstance(value)) {
			
			throw new IllegalArgumentException("need " + this.classType
					+ " type value");
		}

		this.value = value;
	}

	public Class<?> getClassType() {
		return classType;
	}

	public void setClassType(Class<?> classType) {
		this.classType = classType;
	}
}
